Cisco ONS 15454 - Page 31

FIGURES
xxxi
Cisco ONS 15454 Troubleshooting Guide, R8.5
November 2009
Figure 1-1 Facility Loopback Path on a Near-End DS-N Card 1-3
Figure 1-2 Facility Loopback Path on a Near-End OC-N Card 1-3
Figure 1-3 OC-N Facility Loopback Indicator 1-3
Figure 1-4 Terminal Loopback Path on an OC-N Card 1-5
Figure 1-5 Terminal Loopback Indicator 1-5
Figure 1-6 Terminal Loopback Path on a DS-N Card 1-6
Figure 1-7 Terminal Loopback on a DS-N Card with a Bridged Signal 1-7
Figure 1-8 Terminal Loopback on an OC-N Card with a Bridged Signal 1-7
Figure 1-9 Hairpin Circuit Path on a DS-N Card 1-8
Figure 1-10 Network Element with SONET Cross-Connect Loopback Function 1-9
Figure 1-11 Facility Loopback on a Circuit Source DS-N Port 1-10
Figure 1-12 Hairpin on a Source-Node Port 1-15
Figure 1-13 XC Loopback on a Destination OC-N Port 1-19
Figure 1-14 Terminal Loopback to a Destination DS-N Port 1-22
Figure 1-15 Facility Loopback on a Circuit Destination DS-N Port 1-28
Figure 1-16 Hairpin on a Destination-Node DS-N Port 1-33
Figure 1-17 XC Loopback on a Source OC-N Port 1-37
Figure 1-18 Terminal Loopback on a Source DS-N Port 1-40
Figure 1-19 Accessing FEAC Functions on the DS3XM-6 Card 1-46
Figure 1-20 Diagram of FEAC Circuit 1-46
Figure 1-21 Facility Loopback on a Circuit Source OC-N Port 1-48
Figure 1-22 Terminal Loopback on a Source-Node OC-N Port 1-50
Figure 1-23 Terminal Loopback Indicator 1-50
Figure 1-24 XC Loopback on a Source OC-N Port 1-53
Figure 1-25 Facility Loopback Path to an Intermediate-Node OC-N Port 1-57
Figure 1-26 Terminal Loopback Path to an Intermediate-Node OC-N Port 1-60
Figure 1-27 Facility Loopback Indicator 1-60
Figure 1-28 Facility Loopback Path to a Destination-Node OC-N Port 1-63
Figure 1-29 Terminal Loopback Path to a Destination-Node OC-N Port 1-66
Figure 1-30 Facility Loopback on a Circuit Source Ethernet Port 1-69